Bouncy, sloping, suspended timber ground floor

16 Feb 2014
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United Kingdom
Hi all,

We moved into a 1974-built detached house last year. The ground floor all seems to be suspended timber joists with floorboards. It is very bouncy to walk across and generally slopes down from the walls to the middle of the rooms. I'm considering removing the timber floor and having a solid concrete floor laid in its place. The first room I would do this in is the worst - the lounge, which is about 26 foot long by about 11 foot wide.

I would like to seek your advice :

- Can you see any issues with replacing the suspended timber floor with a solid concrete floor?
- Can you retrofit a suspended concrete floor to replace a suspended timber floor?
- Would it all have to include a certain amount of insulation to comply with current building regulations?
- Any ideas on costs/benefits of each option?
- Is it possible to strengthen/level the existing suspended floor?

Many thanks,

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